53406275 has 24 divisors (see below), whose sum is σ = 72068304. Its totient is φ = 39024000.

The previous prime is 53406259. The next prime is 53406277. The reversal of 53406275 is 57260435.

It is not a de Polignac number, because 53406275 - 2⁴ = 53406259 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53406277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32012 + ... + 33638.

It is an arithmetic number, because the mean of its divisors is an integer number (3002846).

Almost surely, 2^53406275 is an apocalyptic number.

53406275 is a deficient number, since it is larger than the sum of its proper divisors (18662029).

53406275 is a wasteful number, since it uses less digits than its factorization.

53406275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751 (or 1746 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 53406275 is about 7307.9597015857. The cubic root of 53406275 is about 376.5859352219.

The spelling of 53406275 in words is "fifty-three million, four hundred six thousand, two hundred seventy-five".